Jan ( N = 984 )

Feb ( N = 894 )

Mar ( N = 992 )

Apr ( N = 956 )

May ( N = 992 )

Jun ( N = 877 )

Jul ( N = 990 )

Aug ( N = 969 )

Sep ( N = 920 )

Oct ( N = 981 )

Nov ( N = 940 )

Dec ( N = 989 )